<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			.demo{
				width: 0px;
				height:0px ;
				background-color: pink;
				border-top: 300px dashed solid red;
				border-bottom: 30px red transparent red;
				border-left: 30px blue solid;
				border-right:  30px blue solid;
				}
				.demo2{
					width: 300px;
					height: 300px;
					border-radius: 50px;
					border-radius: 20px 100px;
					border-radius: 10px 50px 100px;
					border-radius: 10px 50px 100px 200px;
					border-radius: 150px;
					border-radius: 50%;
					background-color: pink;
				}
				.demo3{
					width: 300px;
					height: 300px;
					background-color: pink;
					box-shadow: 10px 20px 30px  0px skyblue;
				}
				.demo:hover{
					box-shadow:0px -10px 10px 0px gray;
					position: relative;
					top: -10px;
				}
				
		</style>
	</head>
	<body>
		<div class="demo">
			<div class="demo2">
				<div class="demo3">
					<div class="demo:hover">
						
					</div>
					
				</div>
				
			</div>
			
		</div>
	</body>
</html>
